LayoutTests/accessibility/custom-elements/slider.html

<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<script src="../../resources/accessibility-helper.js"></script>
<custom-slider id="slider-1"></custom-slider>
<custom-slider id="slider-2" aria-valuemax="15" aria-valuemin="3" aria-valuenow="7" aria-valuetext="7 out of 15"></custom-slider>
<script>

customElements.define('custom-slider', class CustomSlider extends HTMLElement {
    constructor()
    {
        super();
        const internals = this.attachInternals();
        internals.role = 'slider';
        internals.ariaValueMax = 10;
        internals.ariaValueMin = 1;
        internals.ariaValueNow = 5;
        internals.ariaValueText = '5/10';
    }
});

description("This tests that aria fallback roles work correctly.");
if (!window.accessibilityController)
    debug('This test requires accessibilityController');
else {
    shouldBeEqualToString('accessibilityController.accessibleElementById("slider-1").role', 'AXRole: AXSlider');
    shouldBe('accessibilityController.accessibleElementById("slider-1").intValue', '5');
    shouldBe('accessibilityController.accessibleElementById("slider-1").maxValue', '10');
    shouldBe('accessibilityController.accessibleElementById("slider-1").minValue', '1');
    shouldBeEqualToString('accessibilityController.accessibleElementById("slider-1").valueDescription', 'AXValueDescription: 5/10');

    shouldBeEqualToString('accessibilityController.accessibleElementById("slider-2").role', 'AXRole: AXSlider');
    shouldBe('accessibilityController.accessibleElementById("slider-2").intValue', '7');
    shouldBe('accessibilityController.accessibleElementById("slider-2").maxValue', '15');
    shouldBe('accessibilityController.accessibleElementById("slider-2").minValue', '3');
    shouldBeEqualToString('accessibilityController.accessibleElementById("slider-2").valueDescription', 'AXValueDescription: 7 out of 15');
}

</script>
</body>
</html>